论文标题
希格斯 - 漆黑物质部门玩具模型中的引力动力学：领域理论观点
Gravitational dynamics in the Higgs-dark matter sector toy model: the field theoretic perspective
论文作者
论文摘要
本文的目的是检查希格斯（Higgs）中的重力演变 - 黑暗物质部门玩具模型。 Higgs Doublet的实际部分是由中性标量模拟的。引入的两个暗物质候选者是深色光子和一个带电复合体标量。包括两个标量与重力的非最小耦合。普通和暗物质扇区之间的耦合通道是电磁和深色$ u（1）$ fields和Higgs Portal耦合之间的动力学混合。新兴的奇异空间的结构是Schwarzschild或Reissner-Nordström类型的结构。非最小标量 - 重力耦合导致了明显的地平线的及时部分的外观，它们从间距类变为空。动态黑洞的特征被描述为模型参数的功能。后来形成的黑孔，随着复合体标量的质量参数的增加，其半径和质量较小。希格斯场与重力的耦合的依赖性表现出极端，这是黑洞形成的最大时间，而在其半径和质量的情况下，这是最大的时间。提出了与观察者与不断发展的物质移动相关的一组数量。随着奇异性的接近，动力学空间内的能量密度，径向压力和压力各向异性变大。在Reissner-Nordström的空间中，增加的增长更大。在最小耦合的情况下，当涉及非最小标量 - 重力耦合时，在最小耦合的情况下单调的局部温度单调变化。
The objective of the paper was to examine gravitational evolutions in the Higgs--dark matter sector toy model. The real part of the Higgs doublet was modelled by a neutral scalar. Two dark matter candidates introduced were the dark photon and a charged complex scalar. Non-minimal couplings of both scalars to gravity were included. The coupling channels between the ordinary and dark matter sectors were kinetic mixing between the electromagnetic and dark $U(1)$ fields and the Higgs portal coupling among the scalars. The structures of emerging singular spacetimes were either of Schwarzschild or Reissner-Nordström types. The non-minimal scalar--gravity couplings led to an appearance of timelike portions of apparent horizons where they transform from spacelike to null. The features of dynamical black holes were described as functions of the model parameters. The black holes formed later and their radii and masses were smaller as the mass parameter of the complex scalar increased. The dependencies on the coupling of the Higgs field to gravity exhibited extrema, which were a maximum for the time of the black holes formation and minima in the cases of their radii and masses. A set of quantities associated with an observer moving with the evolving matter was proposed. The energy density, radial pressure and pressure anisotropy within dynamical spacetimes get bigger as the singularity is approached. The increase is more considerable in the Reissner-Nordström spacetimes. The apparent horizon local temperature changes monotonically in the minimally coupled case and non-monotonically when non-minimal scalar--gravity couplings are involved.
